Question

0. If a body is projected upward from certain heighth
with initial velocity u, then its speed at the ground
level is
(1) u
(2) u + v2gh
(3) Vu? +2gh
(4) u + 2gh​

Answer 1

Answer:

I THINK YOU OPTIONS ARE WRONG ?

Explanation:

1. V= U + AT

2. S= UT+½ AT²

3.V²=U²+2AS

IF OBJECT IS STATIONARY (U=0)

YOU CAN CHANGE

'S' AS 'H' (HEIGHT )

'A' AS 'G' ( ACCELERATION DUE TO GRAVITY)